NTT glass syringes are the best cost-to-quality glass syringes on the market today. All sizes are designed with thicker walls for crack durability and feature bind-free action between barrel and body. Cross compare our products yourself and experience a quality glass syringe at a reasonable price.Our syringes are manufactured with interchangeable borosilicate glass along with permanently fused graduations and unique identifiers. Reinforced flanges are flat on two sides to avoid rolling. Supplied with metal luer-lock tip.